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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Copyright 2007-2008 Michele Mostarda ( michele.mostarda@gmail.com ).<a name="line.2"></a>
<FONT color="green">003</FONT>     * All Rights Reserved.<a name="line.3"></a>
<FONT color="green">004</FONT>     *<a name="line.4"></a>
<FONT color="green">005</FONT>     * Licensed under the Apache License, Version 2.0 (the 'License');<a name="line.5"></a>
<FONT color="green">006</FONT>     * you may not use this file except in compliance with the License.<a name="line.6"></a>
<FONT color="green">007</FONT>     * You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an 'AS IS' BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    package com.asemantics.rdfcoder.parser;<a name="line.19"></a>
<FONT color="green">020</FONT>    <a name="line.20"></a>
<FONT color="green">021</FONT>    import com.asemantics.rdfcoder.model.java.JavaCodeHandler;<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>    import java.io.File;<a name="line.23"></a>
<FONT color="green">024</FONT>    import java.io.FilenameFilter;<a name="line.24"></a>
<FONT color="green">025</FONT>    import java.io.IOException;<a name="line.25"></a>
<FONT color="green">026</FONT>    import java.util.ArrayList;<a name="line.26"></a>
<FONT color="green">027</FONT>    import java.util.Collections;<a name="line.27"></a>
<FONT color="green">028</FONT>    import java.util.List;<a name="line.28"></a>
<FONT color="green">029</FONT>    import java.util.Set;<a name="line.29"></a>
<FONT color="green">030</FONT>    import java.util.Stack;<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>    /**<a name="line.32"></a>
<FONT color="green">033</FONT>     * Defines a scanner to parse content of entire directories.<a name="line.33"></a>
<FONT color="green">034</FONT>     */<a name="line.34"></a>
<FONT color="green">035</FONT>    public class DirectoryParser extends CodeParser {<a name="line.35"></a>
<FONT color="green">036</FONT>    <a name="line.36"></a>
<FONT color="green">037</FONT>        /**<a name="line.37"></a>
<FONT color="green">038</FONT>         * Directory stack.<a name="line.38"></a>
<FONT color="green">039</FONT>         */<a name="line.39"></a>
<FONT color="green">040</FONT>        private Stack&lt;File&gt; dirStack;<a name="line.40"></a>
<FONT color="green">041</FONT>    <a name="line.41"></a>
<FONT color="green">042</FONT>        /**<a name="line.42"></a>
<FONT color="green">043</FONT>         * File parser.<a name="line.43"></a>
<FONT color="green">044</FONT>         */<a name="line.44"></a>
<FONT color="green">045</FONT>        private FileParser fileParser;<a name="line.45"></a>
<FONT color="green">046</FONT>    <a name="line.46"></a>
<FONT color="green">047</FONT>        /**<a name="line.47"></a>
<FONT color="green">048</FONT>         * Filename filter.<a name="line.48"></a>
<FONT color="green">049</FONT>         */<a name="line.49"></a>
<FONT color="green">050</FONT>        private FilenameFilter filenameFilter;<a name="line.50"></a>
<FONT color="green">051</FONT>    <a name="line.51"></a>
<FONT color="green">052</FONT>        /**<a name="line.52"></a>
<FONT color="green">053</FONT>         * Constructor.<a name="line.53"></a>
<FONT color="green">054</FONT>         *<a name="line.54"></a>
<FONT color="green">055</FONT>         * @param fs<a name="line.55"></a>
<FONT color="green">056</FONT>         */<a name="line.56"></a>
<FONT color="green">057</FONT>        public DirectoryParser(FileParser fs, FilenameFilter ff) {<a name="line.57"></a>
<FONT color="green">058</FONT>            dirStack = new Stack&lt;File&gt;();<a name="line.58"></a>
<FONT color="green">059</FONT>            fileParser = fs;<a name="line.59"></a>
<FONT color="green">060</FONT>            filenameFilter = ff;<a name="line.60"></a>
<FONT color="green">061</FONT>        }<a name="line.61"></a>
<FONT color="green">062</FONT>    <a name="line.62"></a>
<FONT color="green">063</FONT>        /**<a name="line.63"></a>
<FONT color="green">064</FONT>         * Parses a directory content.<a name="line.64"></a>
<FONT color="green">065</FONT>         *<a name="line.65"></a>
<FONT color="green">066</FONT>         * @param d directory in which the library is located.<a name="line.66"></a>
<FONT color="green">067</FONT>         * @return the number of unresolved objects.<a name="line.67"></a>
<FONT color="green">068</FONT>         */<a name="line.68"></a>
<FONT color="green">069</FONT>        public int parseDirectory(String libraryName, File d) {<a name="line.69"></a>
<FONT color="green">070</FONT>            dirStack.clear();<a name="line.70"></a>
<FONT color="green">071</FONT>            if( d == null || ! d.exists() ||! d.isDirectory() ) {<a name="line.71"></a>
<FONT color="green">072</FONT>                throw new IllegalArgumentException();<a name="line.72"></a>
<FONT color="green">073</FONT>            }<a name="line.73"></a>
<FONT color="green">074</FONT>            dirStack.push(d);<a name="line.74"></a>
<FONT color="green">075</FONT>    <a name="line.75"></a>
<FONT color="green">076</FONT>            fileParser.initialize( getParseHandler(), getObjectsTable() );<a name="line.76"></a>
<FONT color="green">077</FONT>    <a name="line.77"></a>
<FONT color="green">078</FONT>            // Begin parsing.<a name="line.78"></a>
<FONT color="green">079</FONT>            try {<a name="line.79"></a>
<FONT color="green">080</FONT>                getParseHandler().startParsing(libraryName, d.getAbsolutePath());<a name="line.80"></a>
<FONT color="green">081</FONT>            } catch (Throwable t) {<a name="line.81"></a>
<FONT color="green">082</FONT>                t.printStackTrace();<a name="line.82"></a>
<FONT color="green">083</FONT>            }<a name="line.83"></a>
<FONT color="green">084</FONT>    <a name="line.84"></a>
<FONT color="green">085</FONT>            try {<a name="line.85"></a>
<FONT color="green">086</FONT>                preScan();<a name="line.86"></a>
<FONT color="green">087</FONT>                File current;<a name="line.87"></a>
<FONT color="green">088</FONT>                while( ! dirStack.isEmpty() ) {<a name="line.88"></a>
<FONT color="green">089</FONT>                    current = dirStack.pop();<a name="line.89"></a>
<FONT color="green">090</FONT>                    scanDirectory( current );<a name="line.90"></a>
<FONT color="green">091</FONT>                }<a name="line.91"></a>
<FONT color="green">092</FONT>            } finally {<a name="line.92"></a>
<FONT color="green">093</FONT>                // End parsing.<a name="line.93"></a>
<FONT color="green">094</FONT>                try {<a name="line.94"></a>
<FONT color="green">095</FONT>                    getParseHandler().endParsing();<a name="line.95"></a>
<FONT color="green">096</FONT>                } catch (Throwable t) {<a name="line.96"></a>
<FONT color="green">097</FONT>                    t.printStackTrace();<a name="line.97"></a>
<FONT color="green">098</FONT>                }<a name="line.98"></a>
<FONT color="green">099</FONT>            }<a name="line.99"></a>
<FONT color="green">100</FONT>    <a name="line.100"></a>
<FONT color="green">101</FONT>    <a name="line.101"></a>
<FONT color="green">102</FONT>            int unresolved = postScan();<a name="line.102"></a>
<FONT color="green">103</FONT>            fileParser.dispose();<a name="line.103"></a>
<FONT color="green">104</FONT>            return unresolved;<a name="line.104"></a>
<FONT color="green">105</FONT>        }<a name="line.105"></a>
<FONT color="green">106</FONT>    <a name="line.106"></a>
<FONT color="green">107</FONT>        /**<a name="line.107"></a>
<FONT color="green">108</FONT>         * Low level scan operation.<a name="line.108"></a>
<FONT color="green">109</FONT>         * @param dir<a name="line.109"></a>
<FONT color="green">110</FONT>         */<a name="line.110"></a>
<FONT color="green">111</FONT>        protected void scanDirectory(File dir) {<a name="line.111"></a>
<FONT color="green">112</FONT>    <a name="line.112"></a>
<FONT color="green">113</FONT>            File[] content = dir.listFiles();<a name="line.113"></a>
<FONT color="green">114</FONT>            for(File f : content) {<a name="line.114"></a>
<FONT color="green">115</FONT>                if(f.isDirectory() &amp;&amp; ! f.isHidden() ) {<a name="line.115"></a>
<FONT color="green">116</FONT>                    dirStack.push(f);<a name="line.116"></a>
<FONT color="green">117</FONT>                }<a name="line.117"></a>
<FONT color="green">118</FONT>            }<a name="line.118"></a>
<FONT color="green">119</FONT>    <a name="line.119"></a>
<FONT color="green">120</FONT>            File[] javaFiles = dir.listFiles( filenameFilter );<a name="line.120"></a>
<FONT color="green">121</FONT>            for(int f = 0; f &lt; javaFiles.length; f++) {<a name="line.121"></a>
<FONT color="green">122</FONT>                try {<a name="line.122"></a>
<FONT color="green">123</FONT>                    fileParser.parse(javaFiles[f]);<a name="line.123"></a>
<FONT color="green">124</FONT>                } catch (IOException ioe) {<a name="line.124"></a>
<FONT color="green">125</FONT>                    throw new RuntimeException(ioe);<a name="line.125"></a>
<FONT color="green">126</FONT>                } catch (ParserException pe) {<a name="line.126"></a>
<FONT color="green">127</FONT>                    pe.printStackTrace();<a name="line.127"></a>
<FONT color="green">128</FONT>                    getParseHandler().parseError(javaFiles[f].getAbsolutePath(), "[" + pe.getClass().getName() + "]" + pe.getMessage());<a name="line.128"></a>
<FONT color="green">129</FONT>                }<a name="line.129"></a>
<FONT color="green">130</FONT>            }<a name="line.130"></a>
<FONT color="green">131</FONT>        }<a name="line.131"></a>
<FONT color="green">132</FONT>    <a name="line.132"></a>
<FONT color="green">133</FONT>        /**<a name="line.133"></a>
<FONT color="green">134</FONT>         * Pre scan operation handler.<a name="line.134"></a>
<FONT color="green">135</FONT>         */<a name="line.135"></a>
<FONT color="green">136</FONT>        public void preScan() {<a name="line.136"></a>
<FONT color="green">137</FONT>            // Empty.<a name="line.137"></a>
<FONT color="green">138</FONT>        }<a name="line.138"></a>
<FONT color="green">139</FONT>    <a name="line.139"></a>
<FONT color="green">140</FONT>        /**<a name="line.140"></a>
<FONT color="green">141</FONT>         * Post scan operation handler.<a name="line.141"></a>
<FONT color="green">142</FONT>         * <a name="line.142"></a>
<FONT color="green">143</FONT>         * @return number of unresolved objects.<a name="line.143"></a>
<FONT color="green">144</FONT>         */<a name="line.144"></a>
<FONT color="green">145</FONT>        public int postScan() {<a name="line.145"></a>
<FONT color="green">146</FONT>            JavaCodeHandler javaCodeHandler = (JavaCodeHandler) getParseHandler();<a name="line.146"></a>
<FONT color="green">147</FONT>            Set&lt;String&gt; unresolved = getObjectsTable().processTemporaryIdentifiers(javaCodeHandler);<a name="line.147"></a>
<FONT color="green">148</FONT>            List&lt;String&gt; unresolvedList = new ArrayList(unresolved);<a name="line.148"></a>
<FONT color="green">149</FONT>            unresolved.clear();<a name="line.149"></a>
<FONT color="green">150</FONT>            Collections.sort(unresolvedList);<a name="line.150"></a>
<FONT color="green">151</FONT>            String[] unresolvedTypes = unresolvedList.toArray( new String[unresolvedList.size()] );<a name="line.151"></a>
<FONT color="green">152</FONT>            try {<a name="line.152"></a>
<FONT color="green">153</FONT>                javaCodeHandler.unresolvedTypes(unresolvedTypes);<a name="line.153"></a>
<FONT color="green">154</FONT>            } catch (Throwable t) {<a name="line.154"></a>
<FONT color="green">155</FONT>                t.printStackTrace();<a name="line.155"></a>
<FONT color="green">156</FONT>            }<a name="line.156"></a>
<FONT color="green">157</FONT>            return unresolved.size();<a name="line.157"></a>
<FONT color="green">158</FONT>        }<a name="line.158"></a>
<FONT color="green">159</FONT>    }<a name="line.159"></a>




























































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